X4U Enterprise IP Phone
Fanvil X4U provides the direct access to instructions with two high-resolution 320×240 color displays, which is an ideal option for enterprises to improve the flexibility and have a greater productivity on daily work. Wideband codec of G.722 and Opus in this device delivers you an immersive HD audio experience in both high band and low band with the network.
Description
| ModelCompare |
 X6U High-end IP Phone
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 X5U High-end IP Phone
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 X5U-R Special Red IP Phone
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 X4U Enterprise IP Phone
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 X3U Enterprise IP Phone
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 X3U Pro Entry Level IP Phone
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| Main Screen | 480×272 4.3-inch Color Screen | 480X320 3.5-inch Color Screen | 480X320 3.5-inch Color Screen | 320X240 2.8-inch Color Screen | 320X240 2.8-inch Color Screen | 320X240 2.8-inch Color Screen |
| Side Screen | 320X240 Two 2.4-inch Color Screens | 320X240 2.4-inch Color Screen | 320X240 2.4-inch Color Screen | 320X240 2.4-inch Color Screen | × | × |
| The color | Black | Black | Red | Black | Black | Black |
| DSS Keys | 60 | 30 | 30 | 30 | × | × |
| Lines | 20 | 16 | 16 | 12 | 6 | 6 |
| Line Keys | 5 | 4 | 4 | 3 | 3 | 3 |
| Local Phone Book | 2000 | 2000 | 2000 | 1000 | 1000 | 1000 |
| Call Log | 1000 | 1000 | 1000 | 1000 | 600 | 600 |
| Audio Conference | V1: 3-way conference V2: 6-way conference |
V1: 3-way conference V2: 6-way conference |
V1: 3-way conference V2: 6-way conference |
V1: 3-way conference V2: 6-way conference |
3-way conference | 6-way conference |
| IPv6 | √ | √ | √ | √ | √ | √ |
| HD Audio | √ | √ | √ | √ | √ | √ |
| Wideband Codec | G.722,Opus | G.722,Opus | G.722,Opus | G.722,Opus | G.722,Opus | G.722, Opus |
| Bluetooth | V1: Built-in Bluetooth 2.1 V2: Built-in Bluetooth 4.2 |
V1: Built-in Bluetooth 2.1 V2: Built-in Bluetooth 4.2 |
V1: Built-in Bluetooth 2.1 V2: Built-in Bluetooth 4.2 |
Via USB Dongle |
